One-to-one meaning

wŭntə-wŭn
Matching each member of one set with a member of another set.

There is a one-to-one relationship between days with large cash shortages and his workdays.

adjective
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Designating a correspondence such that each member of a set has just one partner in another set, and no element in either is without a partner.
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A personal relationship between two people.
noun
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(chiefly UK) Involving direct communication between two people. Used especially to refer to situations in which one person is teaching one other person.
adjective
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(mathematics, of a function) Injective, being an injection: having the property that no two elements of the domain are mapped to the same image.
adjective
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The definition of one-to-one refers to a situation where every item has a pair.

When there is one teacher for every student, this is an example of a one-to-one ratio.

adjective
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Allowing the pairing of each member of a class uniquely with a member of another class.
adjective
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Relating to or being a correspondence between two sets that assigns to each member of one set exactly one member of the other set.
adjective
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Permitting the pairing of an element of one group with a corresponding element of another group.
adjective
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